[libmanette] event: Shorten *_new() function

[Adrien Plazas <aplazas src gnome org>]

commit b3294edb30cd69b5f95b21928281f09c4646e864
Author: vanadiae <vanadiae35 gmail com>
Date:   Wed Oct 14 19:52:14 2020 +0200

    event: Shorten *_new() function
    
    It would have made sense if there was extra things done on @self but
    here it doesn't make much sense. So shorten it to help scanning the code
    and quickly understanding it.

 src/manette-event.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)
---
diff --git a/src/manette-event.c b/src/manette-event.c
index c665aea..7404365 100644
--- a/src/manette-event.c
+++ b/src/manette-event.c
@@ -39,11 +39,7 @@ G_DEFINE_BOXED_TYPE (ManetteEvent, manette_event, manette_event_copy, manette_ev
 ManetteEvent *
 manette_event_new (void)
 {
-  ManetteEvent *self;
-
-  self = g_slice_new0 (ManetteEvent);
-
-  return self;
+  return g_slice_new0 (ManetteEvent);
 }
 
 /**